21256631434

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1\times {\mathrm{75037}}^1$

素因数の和:76197

約数の個数: 16

約数和(自身を含む): 32146279200

約数和(自身を除く): 10889647766

約数列:

[1, 2, 139, 278, 1019, 2038, 75037, 141641, 150074, 283282, 10430143, 20860286, 76462703, 152925406, 10628315717, 21256631434]

約数ペア:

[(1, 21256631434), (2, 10628315717), (139, 152925406), (278, 76462703), (1019, 20860286), (2038, 10430143), (75037, 283282), (141641, 150074)]